{"product_id":"siemens-qjh23b090a02-circuit-breaker","title":"Siemens | QJH23B090A02 | Circuit Breaker | 90A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens QJH23B090A02 is a 90A, 3-Pole, 240V circuit breaker designed for bolt-on installation. Built for maintenance, retrofit, and replacement projects where precise specifications matter, this unit delivers dependable protection for three-phase electrical systems while matching original equipment requirements.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eDistinctive value for professionals\u003c\/h3\u003e\n\u003cp\u003eThe QJH23B090A02 is more than a generic replacement. Its bolt-on design provides secure, vibration-resistant mounting in compatible Siemens panels, helping maintain electrical integrity in demanding environments. By aligning with Siemens’ QJH series specifications, it offers a reliable, drop-in upgrade path that minimizes modification and downtime during maintenance or retrofit projects.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eDesigned for scenarios where a robust 90A, 240V three-phase protection is needed, this breaker is well-suited for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial motor circuits and drive systems in manufacturing floors\u003c\/li\u003e \u003cli\u003eHVAC and processing equipment powered by 240V three-phase supply\u003c\/li\u003e \u003cli\u003ePanel retrofits and spare-part stock for facilities with legacy Siemens gear\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it solves real problems\u003c\/h3\u003e\n\u003cp\u003eFor technicians and facilities managers, selecting the exact part number QJH23B090A02 minimizes compatibility guesswork. A correct match ensures proper trip characteristics, reliable protection, and easier maintenance planning—reducing the risk of mismatched replacements that could disrupt operations.\u003c\/p\u003e \u003ch3\u003eFit, verify, and install with confidence\u003c\/h3\u003e\n\u003cp\u003eNotes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility. Use this breaker in strictly compatible 3-Pole, 240V systems that require bolt-on mounting to maintain circuit protection for heavy-load, three-phase equipment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427416002722,"sku":"QJH23B090A02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qjh23b090a02-circuit-breaker-90a-3-pole-240v-bolt-850.webp?v=1789719919","url":"https:\/\/www.ampstate.com\/products\/siemens-qjh23b090a02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}